from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of tetra.


Sorry, no etymologies found.


  • Okay, so I started to put together an Amazon rainforest aquascape, and I filled it with South American species of tetras, angel fish, some corydoras, a couple of algae-eaters and two gorgeous black ghost knife fish I call Patch and Zappy.

    2009 August — Fusion Despatches

  • From the q&a session with celebrity bond traders to the presentation on housing market fluctuations, the seething tide of fandom moved in unison like a school of neon tetras - but then, isn't that always the way in economics?

    Dylan Brody: EconomiCon 2010

  • As well, all my personal goodies that I don't use for baking (like my almond mik tetras, Liquid Smoke and tofu) are on this side of the pantry.

    Archive 2008-10-01

  • However, as I read that tetras thrive best in very soft water (0 -40 pmm), and I knew that a product called peat moss can be added to your filter to change that I decided to get it.

    Day in the Life of an Idiot

  • Many ornamental fish inhabit the rivers including arawana (Osteoglossum bichirrosum) and various tetras (Hyphaessobrycon, Bryconops).

    Solimões-Japurá moist forest

  • I live in Toronto, Ontario, Canada with my wife Michelle and our hermit crab Shiny and school of neon tetras collectively known as Roger.

    Archive 2009-03-01

  • Luckily, when I thought we might put tetras back in that tank, I already bought a small, under the gravel heater.

    Day in the Life of an Idiot

  • My favorite local aquarium shop almost never has neon tetras.


  • He also got a couple of Pelvichromis type cichlids, tetras and eels.

    Transporter n

  • Breeders use reverse osmosis water for their tetras.

    New York City tap water, the fancy bottled water...

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.